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Which of the following plastics is not used in blow molding?

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in Casting-Forming-Welding II by (119k points)
Which of the following plastics is not used in blow molding?

(a) Terephthalate

(b) Polypropylene

(c) Polythene

(d) PVC

I got this question in semester exam.

This key question is from Blow Moulding and Thermoforming topic in portion Moulding with Polymers of Casting-Forming-Welding II

1 Answer

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The correct answer is (a) Terephthalate

Explanation: For blowing processes, there are certain plastics only which are properly suited for the operation, while any other material might fail. Hence, for operating through blow molding process, polypropylene, polythene and PVC are used.

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